not on david petraeus, but on another four-star general, john allen. america's top commander in afghanistan. he was set to become the nato supreme commander, until the president put that nomination on hold today. like petraeus, allen is at the top of the american military. he's a four-star general. one of only four four-star generals in the entire u.s. marine corps. officials are investigating general john allen after finding allegedly inappropriate e-mails between general allen and jill kelley. the same jill kelley who had contacted the fbi about receiving harassing e-mails from petraeus biographer and former mistress, paula broadwell. allen, who once worked for petraeus at the u.s. central command, denies any wrongdoing as investigators look through 20,000 to 30,000 pages of documents. now, i want to make it clear what we know at this time is that it's not clear how many of those documents may include potentially inappropriate communication. but the new allegations have raised serious questions tonight about the culture of relationships in the milita